---
name: "Rottenmouth Viper"
mana_cost: "{5}{B}"
cmc: 6
type_line: "Creature — Elemental Snake"
colors: ["B"]
color_identity: ["B"]
keywords: []
set: "PBLB"
set_name: "Bloomburrow Promos"
collector_number: "107p"
rarity: "mythic"
artist: "Andrea Piparo"
oracle_id: "2c75623c-59f4-4449-ab43-9d1225185ad9"
canonical_url: "https://avascry.com/printing/rottenmouth-viper-pblb"
legalities:
  commander: "legal"
  standard: "legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Rottenmouth Viper
- **Mana Cost:** `{5}{B}` (CMC: 6)
- **Type:** Creature — Elemental Snake
- **Power/Toughness:** 6/6

## Oracle Text
As an additional cost to cast this spell, you may sacrifice any number of nonland permanents. This spell costs {1} less to cast for each permanent sacrificed this way.
Whenever this creature enters or attacks, put a blight counter on it. Then for each blight counter on it, each opponent loses 4 life unless that player sacrifices a nonland permanent of their choice or discards a card.

## Top 4096-Dim Neural Synergies
1. [Torment of Venom](/printing/torment-of-venom-hou.md) — Instant
2. [Bogslither's Embrace](/printing/bogslithers-embrace-ecl.md) — Sorcery
3. [Rite of the Serpent](/printing/rite-of-the-serpent-ktk.md) — Sorcery
4. [Rite of Consumption](/printing/rite-of-consumption-plst.md) — Sorcery
5. [Merchant of Venom](/printing/merchant-of-venom-soc.md) — Creature — Cat Warlock
6. [Pyrrhic Blast](/printing/pyrrhic-blast-bro.md) — Instant

## Printing Details
- **Set:** Bloomburrow Promos (PBLB) #107p
- **Rarity:** Mythic
- **Artist:** Andrea Piparo
- **Total Printings:** 14 across all historical editions

## Format Legalities
Commander: `legal` | Standard: `legal` | Modern: `legal` | Pioneer: `legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `not_legal` | Penny: `not_legal`